Finding the Fourth Proportional to 319,750.05, 441,243.41 and 176,509.65
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Solution
The fourth proportional to 319,750.05, 441,243.41 and 176,509.65 is: 243,576.88
Step by Step Solution
- Step 1: Write the proportion equation
319,750.05 : 441,243.41 = 176,509.65 : x - Step 2: Convert to fraction form
319,750.05/441,243.41 = 176,509.65/x - Step 3: Cross multiply
319,750.05x = 441,243.41 × 176,509.65 - Step 4: Simplify right side
319,750.05x = 77,883,718,981.36 - Step 5: Solve for x
x = 77,883,718,981.36/319,750.05 - Step 6: Final answer
x = 243,576.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.